Re: bgp

That's a pretty neat solution, Uchil: I like it.

-- 
Cheers,
Jared Scrivener, CCIE3 #16983 (R&S, Security, Service Provider), CISSP
Instructor, Mentor, Consultant
Homepage: www.JaredScrivener.com
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On Thu, Nov 26, 2009 at 7:55 PM, Uchil Perera <uchil.groupstudy_at_gmail.com>wrote:
> Hi,
>
> You can create a route pointing to a fake subnet and track it with IPSLA,
> for IPSLA use an interface on the FW. Then use BGP conditional route
> advertisement to advertise 1.1.1.0/24 subnet only if your fake subnet is
> in
> the BGP table. Please not for conditional BGP to work, subnets have to be
> in
> the BGP table, hence you need to advertise the fake subnet in BGP and
> filter
> it out the SP interface.
>
> Please refer below link
>
>
> http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a0080094309.shtml
>
> Rgds
>
> Uchil Perera
> CCIE# 18536
> On Thu, Nov 26, 2009 at 9:00 AM, jack daniels <jckdaniels12_at_gmail.com
> >wrote:
>
> > but even if I poll FW and track it ,
> > how to apply this IP SLA POLL to BGP router-map or network statement.
> >
> > On Thu, Nov 26, 2009 at 1:23 PM, ajaz nawaz <ajaz.nawaz_at_gmail.com>
> wrote:
> >
> > > IP SLA or other methods as suggested.
> > >
> > > Ajaz Nawaz
> > > CCIE#15721
> > >
> > > 2009/11/26 jack daniels <jckdaniels12_at_gmail.com>
> > >
> > > > Hi,
> > > >
> > > > Subnets are same as in advertise map and conditional map , plzz check
> > the
> > > > diag
> > > >
> > > > On Thu, Nov 26, 2009 at 1:15 PM, Shaughn Smith <
> shaughn.s_at_cvnnet.co.za
> > > > >wrote:
> > > >
> > > > > What about using an advertise-map in BGP ?
> > > > >
> > > > > -----Original Message-----
> > > > > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
> Behalf
> > > Of
> > > > > jack daniels
> > > > > Sent: Thursday, November 26, 2009 9:37 AM
> > > > > To: Cisco certification
> > > > > Subject: bgp
> > > > >
> > > > > Hi All,
> > > > >
> > > > > I have a customer scenario where
> > > > >
> > > > >
> > > > > ISP 2.2.2.1----2.2.2.2 router1.1.1.1/24 -------Switch -----------
> > > > > 1.1.1.2/24FW------LAN
> > > > >
> > > > >
> > > > > ISP and router are running BGP. Now I want to advertise the
> > 1.1.1.0/24
> > > > > when
> > > > > FW is up if FW is down I dont want to advertise this subnet. I have
> > > > > redundancy so will use redundant media and firewall . my querriery
> is
> > > > > how
> > > > > not to advertise in BGP 1.1.1.0/24when my FW is down.
> > > > >
> > > > >
> > > > > Blogs and organic groups at http://www.ccie.net
> > > > >
> > > > >
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